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Gigabyte B850 Aorus Stealth specifications and in-depth review

Gigabyte B850 Aorus Stealth

Manufacturer: Gigabyte

The Gigabyte B850 Aorus Stealth is an ATX form factor motherboard built around AMD's AM5 socket and the B850 chipset. It ships with Wi-Fi 7 (802.11be) and Bluetooth 5.4 integrated, making it a wire-free-ready platform without relying on add-in cards. RGB lighting is included, and the board carries a three-year warranty.

Memory support reaches up to 256 GB of DDR5 across four slots in a dual-channel configuration, with a standard rated ceiling of 5200 MHz and overclocked profiles extending to 8200 MHz. Expansion is handled by one PCIe 5.0 x16 slot and one PCIe x4 slot, while storage options include four M.2 sockets, two SATA 3 connectors, and full RAID 0, 1, 5, and 10 support. The rear I/O provides two USB 3.2 Gen 2 Type-A ports, one USB 3.2 Gen 2 Type-C port, four USB 3.2 Gen 1 Type-A ports, four USB 2.0 ports, a single RJ45 jack, and an HDMI 2.1 output. Audio is handled by a 7.1-channel codec with a 120 dB signal-to-noise ratio and S/PDIF output.

Pros
  • Supports Wi-Fi 7 alongside all previous Wi-Fi generations down to Wi-Fi 4, providing broad wireless compatibility
  • Four M.2 sockets offer substantial high-speed storage expansion capacity
  • Eight fan headers allow for thorough cooling management across the system
  • DDR5 memory can be overclocked up to 8200 MHz, with four slots supporting up to 256 GB total
  • RAID 0, 1, 5, and 10 are all supported, giving meaningful flexibility for storage configurations
  • Onboard audio delivers a 120 dB signal-to-noise ratio with 7.1-channel support and S/PDIF output
Cons
  • Only two SATA 3 connectors limits the number of traditional drives that can be connected
  • No dual BIOS means there is no fallback if a firmware update fails
  • No easy CMOS reset mechanism, making BIOS recovery less straightforward
  • USB 4 and Thunderbolt ports are entirely absent from the rear I/O
  • ECC memory is not supported, which restricts use in reliability-sensitive workloads
  • RAID 0+1 is not supported, reducing options for users who specifically require that configuration
Who is this for?

This board is well suited to users building a capable AM5-based desktop system who want modern wireless connectivity including Wi-Fi 7 without relying on add-in cards. The four M.2 sockets and support for RAID 0, 1, 5, and 10 make it a practical choice for users who prioritize fast and flexible storage setups. Those who intend to push memory performance will also find the DDR5 overclocking headroom up to 8200 MHz useful, and the eight fan headers make it a reasonable fit for builds with more elaborate cooling arrangements.

Who is this NOT for?

Users who require ECC memory support for workstation or reliability-sensitive tasks will find this board unsuitable, as that capability is absent. The lack of Thunderbolt and USB 4 ports makes it a poor fit for professionals who depend on high-bandwidth external device connectivity, such as those working with fast external storage arrays or specialized peripherals. Additionally, the absence of dual BIOS and an easy CMOS reset option means it is less forgiving for users who frequently experiment with BIOS updates or aggressive overclocking that risks firmware instability.

General info:

CPU socket AM5
chipset B850
form factor ATX
supports Wi-Fi ✓
Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be)
Has Bluetooth ✓
Bluetooth version 5.4
HDMI version HDMI 2.1
Easy to overclock ✓
has RGB lighting ✓
Easy to reset BIOS ✕
Has dual BIOS ✕
has aptX ✕
CPU sockets 1
Has integrated graphics ✕
warranty period 3 years
height 244 mm
width 305 mm
Has integrated CPU ✕

The Gigabyte B850 Aorus Stealth is built around a single AM5 socket paired with the B850 chipset, and follows the standard ATX form factor at 305 × 244 mm. It supports overclocking and includes RGB lighting, while lacking dual BIOS, an easy CMOS reset button, integrated graphics, and an integrated CPU. Wireless connectivity covers Wi-Fi 4 through Wi-Fi 7 (802.11be) alongside Bluetooth 5.4, though aptX audio is not supported. Video output is provided through an HDMI 2.1 port, and the board is backed by a three-year warranty.

Memory:

maximum memory amount 256GB
RAM speed (max) 5200 MHz
overclocked RAM speed 8200 MHz
memory slots 4
DDR memory version 5
memory channels 2
Supports ECC memory ✕

This board accommodates DDR5 memory across four slots in a dual-channel configuration, with a maximum capacity of 256 GB. The standard rated speed tops out at 5200 MHz, while overclocked profiles can push that figure up to 8200 MHz. ECC memory is not supported.

Ports:

USB 3.2 Gen 2 ports (USB-A) 2
USB 3.2 Gen 1 ports (USB-A) 4
USB 3.2 Gen 2 ports (USB-C) 1
USB 3.2 Gen 1 ports (USB-C) 0
USB 2.0 ports 4
USB 3.2 Gen 2x2 ports 0
USB 4 40Gbps ports 0
USB 4 20Gbps ports 0
Thunderbolt 4 ports 0
Thunderbolt 3 ports 0
has an HDMI output ✓
DisplayPort outputs 0
RJ45 ports 1
Has USB Type-C ✓
eSATA ports 0
DVI outputs 0
has a VGA connector ✕
PS/2 ports 0

The rear I/O panel offers a varied USB lineup consisting of two USB 3.2 Gen 2 Type-A ports, four USB 3.2 Gen 1 Type-A ports, one USB 3.2 Gen 2 Type-C port, and four USB 2.0 ports; there are no USB 3.2 Gen 2x2, USB 4, Thunderbolt 3, or Thunderbolt 4 ports. Video output is limited to a single HDMI port, with no DisplayPort, DVI, or VGA connectors present. Networking is handled by one RJ45 port, and there are no eSATA or PS/2 ports on this board.

Connectors:

USB 3.2 Gen 1 ports (through expansion) 2
USB 3.2 Gen 2 ports (through expansion) 0
USB 3.2 Gen 2x2 ports (through expansion) 1
USB-C 3.2 Gen 2 ports (through expansion) 0
USB 2.0 ports (through expansion) 4
SATA 3 connectors 2
fan headers 8
M.2 sockets 4
Has TPM connector ✓
U.2 sockets 0
Has mSATA connector ✕
SATA 2 connectors 0

For internal expansion, the board provides two USB 3.2 Gen 1 headers and one USB 3.2 Gen 2x2 header, along with four USB 2.0 headers; there are no USB 3.2 Gen 2 or USB-C 3.2 Gen 2 expansion connectors. Storage connectivity is covered by four M.2 sockets and two SATA 3 connectors, while SATA 2, mSATA, and U.2 are absent. Cooling is well catered for with eight fan headers, and a TPM connector is also present on the board.

Expansion slots:

PCIe 4.0 x16 slots 0
PCIe 5.0 x16 slots 1
PCIe 3.0 x16 slots 0
PCIe x1 slots 0
PCI slots 0
PCIe 2.0 x16 slots 0
PCIe x4 slots 1
PCIe x8 slots 0

Expansion options are straightforward, with one PCIe 5.0 x16 slot serving as the primary graphics or high-bandwidth device slot, complemented by one PCIe x4 slot for additional cards. There are no PCIe 2.0, 3.0, or 4.0 x16 slots, and no PCIe x1, PCIe x8, or legacy PCI slots are present.

Audio:

Signal-to-Noise ratio (DAC) 120 dB
audio channels 7.1
Has S/PDIF Out port ✓
audio connectors 2

The onboard audio solution supports 7.1-channel output and delivers a signal-to-noise ratio of 120 dB from its DAC. Two analog audio connectors are available on the rear panel, and an S/PDIF Out port is also present for digital audio passthrough.

Storage:

Supports RAID 1 ✓
Supports RAID 10 (1+0) ✓
Supports RAID 5 ✓
Supports RAID 0 ✓
Supports RAID 0+1 ✕

The board supports RAID 0, 1, 5, and 10 (1+0), covering the most common configurations for both performance and redundancy setups. RAID 0+1 is not supported.

Final Verdict

The Gigabyte B850 Aorus Stealth is a well-specified ATX motherboard for AM5 builds that covers the essentials of a modern desktop platform without significant compromise in its intended scope. Its Wi-Fi 7 support, four M.2 sockets, and DDR5 overclocking capability up to 8200 MHz give it a solid footing for users who want a feature-complete foundation with room to grow. The absence of ECC support, Thunderbolt connectivity, and dual BIOS does narrow its appeal for more specialized or fault-tolerant use cases, but within its natural scope — mainstream enthusiast and performance-oriented desktop builds — it delivers a coherent and well-rounded set of specifications that hold up across storage, connectivity, and audio.